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  1. import java.util.ArrayList;
  2. import java.util.List;
  3. import java.util.stream.Collectors;
  4. import java.util.stream.IntStream;
  5.  
  6. public class Main {
  7.  
  8.     private static List<List<Integer>> dividir(int... array) {
  9.         List<Integer> lista = IntStream.of(array).boxed().collect(Collectors.toList());
  10.         return dividir(lista);
  11.     }
  12.  
  13.     private static List<List<Integer>> dividir(List<Integer> lista) {
  14.         List<List<Integer>> resultado = new ArrayList<>();
  15.         List<Integer> parte = new ArrayList<>();
  16.         Integer ultima = null;
  17.         for (Integer i : lista) {
  18.             int elemento = i;
  19.             if (!parte.isEmpty() && (ultima == null || (elemento != ultima && elemento != ultima + 1))) {
  20.                 resultado.add(parte);
  21.                 parte = new ArrayList<>();
  22.             }
  23.             parte.add(elemento);
  24.             ultima = elemento;
  25.         }
  26.         if (!parte.isEmpty()) resultado.add(parte);
  27.         return resultado;
  28.     }
  29.  
  30.     public static void main(String[] args) {
  31.         int[] array = {1, 2, 2, 3, 3, 3, 6, 6, 7, 11, 12, 12, 13, 14, 14};
  32.         List<List<Integer>> lista = dividir(array);
  33.         System.out.println(lista);
  34.     }
  35. }
Success #stdin #stdout 0.14s 4386816KB
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stdin
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Standard input is empty
stdout
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[[1, 2, 2, 3, 3, 3], [6, 6, 7], [11, 12, 12, 13, 14, 14]]
https://ideone.com/lK4GDe
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
public

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